Hide Show, Programmatically in Seeded page.

Hi All,
I have to add one hide show region in a standard page advance table region. The following are the steps i followed.
Created one custom region for the detail Region.
Created the custom VO for detail region.
Created a vie link between the seeded VO and custom VO
Imported this custom region
Extended and substituted the base page VO to add one more column for the hide/show.
Extending the controller i applied the detail Region to the base page Table using setDetail method.
When i run the page, Its showing the hide/show column and also the detail region - but its throwing the error View object not found ( Custom VO for custom detail region) and showing no search conducted in detail table. Since the Application module of the page is Root Application Module, i cant extend it. So i cant substitute the AM.
Is the approach i am trying to follow is correct?? Any help/suggestion will be highly appreciated.
Regards,
Ram

Urgent Issue... ..
Any help Please..

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Environment:
APEX 3.1.00.09 running on AIX 5.3
Sample application on apex.oracle.com:
Workspace: GALWAY
UserID: gwicke
Password: gwicke
To see where my issues are:
1- Start on page 3
2- In the Agency drop down select 'J & B Marketing'
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var zz;
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{code}
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